Command prompt to check TLS version required by a host
You can check using following commands. For TLS 1.2: openssl s_client -connect www.google.com:443 -tls1_2 For TLS 1.1: openssl s_client -connect www.google.com:443 -tls1_1 For TLS 1: openssl s_client -connect www.google.com:443 -tls1 If you get the certificate chain and the handshake then the TLS version is supported. If you don’t see the certificate chain, and something similar … Read more